add helper for toggling user settings

nomen/main.py

@@ -89,6 +89,13 @@ class Nomen(Bot):
         await super().close()
         await self.db.close()
 
+    async def user_toggle(self, user_id, item):
+        await self.db.execute(
+            "REPLACE INTO users (user_id, {item}) VALUES(:user_id, iff((SELECT {item} FROM users WHERE user_id=:user_id)), 0, 1)",
+            {"user_id": user_id},
+        )
+        await self.db.commit()
+
 
 bot = Nomen(
     description="Keeper of Names",